Aero Precision M4E1, Semi-auto, Stripped Lower Receiver, 223 Remington/556NATO, Anodized Finish, Olive Drab Green APAR600501C

Overview

The Aero Precision M4E1 stripped lower receiver delivers billet aesthetics in a forged package. Machined from 7075-T6 aluminum with an anodized finish in olive drabb green, this custom-engineered design is compatible with all mil-spec AR-15 parts and simplifies the assembly process for the at-home builder. Key features include a threaded bolt catch roll pin, an integrated trigger guard, an upper tension screw, a threaded takedown pin detent recess, an increased magwell flare, and markings and milling to accept short-throw safety selectors. The receiver includes a nylon-tipped tensioning set screw and a threaded bolt catch pin.

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